Proper noun
A habitational surname from Old English.
A village and civil parish in Lichfield district, Staffordshire, England (OS grid ref SK0714).
A village and civil parish (served by Longdon, Queenhill and Holdfast Parish Council) in Malvern Hills district, Worcestershire, England (OS grid ref SO8336).
Source: en.wiktionary.orgThe toughest battle was at Mount Longdon. Source: Internet